Palliative treatment of moderate to severe dementia of the Alzheimer’s type (Alzheimer’s disease).Administer oral solution using the oral dosing syringe and dosing device provided; follow the patient instructions provided by the manufacturer.Available as memantine hydrochloride; dosage expressed in terms of memantine hydrochloride.Tablets and oral solution are equivalent on a mg-per-mg basis.Subsequently, increase dosage to 10 mg daily (5 mg twice daily) for ≥1 week, then 15 mg daily (administered as separate doses of 5 mg and 10 mg) for ≥1 week, and then to 20 mg daily (10 mg twice daily).Recommended target dosage: 20 mg daily given in 2 divided doses (10 mg twice daily).No dosage adjustment needed in patients with mild to moderate renal impairment.Known hypersensitivity to memantine hydrochloride or any ingredient in the formulation.Not systematically evaluated in patients with seizure disorders.Conditions increasing urinary pH (e.g., dietary changes, concomitant use of drugs that alkalinize urine, renal tubular acidosis, severe urinary tract infections) may decrease memantine elimination and increase plasma concentrations and adverse effects; use with caution under these conditions.Not known whether memantine is distributed into human milk.Efficacy studied principally in patients 50–93 (mean 76) years of age with moderate to severe Alzheimer’s disease.Increased exposure in patients with renal impairment.Potential decreased memantine clearance with resulting increases in adverse effects when the drug is used concomitantly with agents that increase urine pH.Pharmacokinetic interaction with highly plasma protein-bound drugs is unlikely because memantine is only 45% bound to plasma proteins.Potential pharmacokinetic interaction (altered plasma concentrations of both drugs) when used with drugs secreted by the same renal cationic system.Potential decreased memantine clearance because of alkaline urine; possible increased incidence of adverse effects Cholinesterase inhibitors (e.g., donepezil, galantamine, tacrine)Concomitant use with donepezil has been well toleratedReversible inhibition of acetylcholinesterase not affected by memantine in vitro and in animalsPotential altered plasma concentrations of both drugsPotential altered plasma concentrations of both drugsMaximum plasma HCTZ concentrations and AUCs decreased by 20% with concomitant use of memantine with fixed-combination of HCTZ and triamterene; memantine bioavailability unaffected No effect on pharmacokinetics of memantine, metformin, or glyburide with concomitant use of memantine and fixed combination of glyburide and metformin hydrochloride; hypoglycemic effects of glyburide-metformin combination not affectedPotential altered plasma concentrations of both drugsPotential altered plasma concentrations of both drugsPotential altered plasma concentrations of both drugsPotential decreased memantine clearance because of alkaline urine; possible increased incidence of adverse effects Potential altered plasma concentrations of both drugsBioavailability of memantine or triamterene unaffected by concomitant use with triamterene (in fixed-combination with hydrochlorothiazide) Well absorbed following oral administration, with peak plasma concentrations attained in about 3–7 hours.Tablets and oral solution are equivalent on a mg-per-mg basis.Not known whether memantine is distributed into human milk.Undergoes limited metabolism, principally to 3 inactive metabolites; minimally metabolized by CYP isoenzymes.Excreted principally in urine as unchanged drug (57–82%).Eliminated via active tubular secretion, moderated by pH-dependent tubular reabsorption.
We comply with the HONcode standard for trustworthy health information - Memantin Sandoz 20 mg jsou světle červené, kulaté potahované tablety (o průměru 11,1 mm) se dvěma zkříženými dělicími rýhami na jedné straně. Ein "einschleichender" Behandlungsbeginn vermindert das Risiko von Nebenwirkungen. Swallow right away without chewing. Seine Wirksamkeit wird allerdings kontrovers diskutiert. [DSC] = Discontinued productCapsule Extended Release 24 Hour, Oral, as hydrochloride: Namenda XR Titration Pack: 7 mg (7s) and 14 mg (7s) and 21 mg (7s) and 28 mg (7s)Generic: 2 mg/mL (240 mL, 360 mL); 10 mg/5 mL (5 mL)Namenda: 5 mg [contains fd&c blue #2 (indigotine), fd&c yellow #6 (sunset yellow)]Namenda Titration Pak: 5 mg (28s) and 10 mg (21s) [contains fd&c blue #2 (indigotine), fd&c yellow #6 (sunset yellow)]Glutamate, the primary excitatory amino acid in the CNS, may contribute to the pathogenesis of Alzheimer's disease (AD) by overstimulating various glutamate receptors leading to excitotoxicity and neuronal cell death. 15 Food The Canadian labeling recommends avoiding use in severe impairment due to a lack of data in this population.• Ophthalmic disease: Worsening of corneal condition has been observed in a clinical trial; periodic ophthalmic exams during use are recommended (Canadian labeling).• Renal impairment: Use with caution in patients with severe renal impairment; dose adjustments for CrCl <30 mL/minute is required.• Seizure disorder: Use with caution in patients with a history of seizure disorder; may increase risk of seizures.• Urine pH: Clearance is significantly reduced by alkaline urine; use caution with medications, dietary changes, or patient conditions which may alter urine pH.Cognitive function; functional outcomes (eg, Activities of Daily Living [ADLs], Instrumental Activities of Daily Living [IADLs]); periodic ophthalmic exam (Canadian labeling)Adverse events have been observed in animal reproduction studies. Thank you for visiting nature.com. Forest Pharmaceuticals, Inc. Namenda (memantine hydrochloride) tablets and oral solution prescribing information.
Once your dose increases to more than 5 milligrams per day, take this medication twice daily or as direc…
A. Reisberg B, Doody R, Stöffler A et al. When you first start taking this medication, you will usually take it once daily. HCl; find Sigma-Aldrich-M9292 MSDS, related peer-reviewed papers, technical documents, similar products & more at … Each film-coated tablet contains 10mg of memantine hydrochloride equivalent to 8.31mg memantine.
Tariot PN, Farlow MR, Grossberg GT et al. Available for Android and iOS devices.
The chemical name for memantine hydrochloride is 1-amino-3,5-dimethyladamantane hydrochloride with the following structural formula: The molecular formula is C 12 H 21 N•HCl and the molecular weight is 215.76.
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